Scanspeak Illuminator 18WU/8747T00
6.5" (16.5cm) bass-midrange driver
/Pair
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Description
The Illuminator 18WU/8747T00 is a technologically sophisticated highlight from Scanspeak. It is a 6.5" (16.5cm) bass-midrange driver with a number of outstanding features. Enriched with an open design and a very large linear excursion, the bass-midrange driver underlines its special status in the Illuminator series. Supported by a patented SD-3 underhung voice coil system and a neodymium drive unit, it proves to be extremely high-quality and low-loss. The patented aluminum diaphragm/cone and the symmetrical drive unit ensure extremely low distortion.
Features
- 6.5" (17cm) bass-midrange driver
- Underhung voice coil with neodymium drive
- Patented
Aluminum membrane
-
/cone
- Low-loss linear suspension
- Patented symmetrical drive (SD-3)
- Exceptionally large linear deflection
Data
- Load capacity (nominal/music) = 80/150 W
- Frequency range = 30-2500 Hz
- Resonant frequency fs = 32 Hz
Impedance R = 8 Ohm
- Characteristic sound pressure level SPL = 85.5 dB (2.83V; 1m)
- DC resistance Re = 5.9 Ohm
- Force factor BL = 6 N/A
- Voice coil inductance L = 0.41 mH
- Effective diaphragm area Sd = 154 cm2
- Moved mass incl. air load mms = 17 g
- Equivalent volume Vas = 48.3 l
- Total outdoor air quality Qts = 0.28 (Qms=3.42, Qes=0.3)
- Diameter of the voice coil = 42 mm
- Linear deflection xlin = +/- 9 mm
- Installation diameter d = 158 mm
- Outer diameter d = 184 mm
- Installation depth (not milled) t = 105 mm
Download data sheet
